CN2212988Y - Atmospheric pressure therapeutic apparatus for human body limbs - Google Patents
Atmospheric pressure therapeutic apparatus for human body limbs Download PDFInfo
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- CN2212988Y CN2212988Y CN 94249084 CN94249084U CN2212988Y CN 2212988 Y CN2212988 Y CN 2212988Y CN 94249084 CN94249084 CN 94249084 CN 94249084 U CN94249084 U CN 94249084U CN 2212988 Y CN2212988 Y CN 2212988Y
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- face
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- flat seal
- air
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Abstract
The utility model relates to an atmospheric pressure therapeutic apparatus for human body limbs. The utility model is mainly used for curing backflow and blockage of blood which are caused by vein vascular lesion. Since the utility model uses sealed plane end surface to seal the central part of a distributor, the utility model solves the key technique of wear compensation of the end surface. The utility model adopts a novel cover body structure, which ensures the pressure regulation of the sealing of the end surface to become simple and reliable. The utility model has high use value in application.
Description
This utility model relates to the therapy equipment of a kind of human body limb air pressure.
Thereby Chinese invention patent CN1052041 discloses a kind of air bag timesharing control inflation of adopting many air chambers and has reached human limb is had rhythm extruding, massage from far-end to near-end, promotes the extremity venous backflow, thereby improves the device of systemic blood circulation purpose.But there is tangible weakness in core component one gas distributor of this invention, and (1) its sealing surface adopts cylindrical structural, processing in required precision very high, be difficult to realize excellent sealing, (2) air flue is processed relatively more difficult.(3) can't solve the compensation problem that causes gas leakage because of sealing surface wear, in case sealing surface wear then can't keep in repair influences its life-span.
The purpose of this utility model provides a kind of flat seal end face that adopts, and it has human body limb gas-pressure massaging therapy equipment positiver sealing end wear compensate function and simple in structure, that efficient is high.
This utility model is achieved in that as shown in Figure 1, its gas distributor (6), mainly form by valve seat (16) and valve body (15), on the flat seal end face of valve seat (16), be drilled with and be distributed with at least two passages (23) on being the circular trace in the center of circle along flat seal end face center, each passage (23) one brings out mouth on the flat seal end face, the other end connects connecting pipe (9), and each connecting pipe (9) is connected with the corresponding air chamber of locellus treatment air bag (10) respectively; There is an air inlet (22) in central authorities at valve seat (16) flat seal end face, and an end of air inlet (22) is on the flat seal end face, and the other end is connected with pressure restrictor (5) with conduit, is connected with surge tank (3) again, is connected with air pump (1) then.The valve body (15) of gas distributor (6), be drilled with on its flat seal end face one start from flat seal end face mediad edge extend to valve seat (16) passage (23) position correspondence position on groove (20), valve body (15) is fitted with valve seat (16) two flat seal end face air-tightness, groove (20) can cover air inlet (22) and one of them passage (23) simultaneously, on the position of corresponding valve seat (16) passage (23) circular trace of living on the flat seal end face of valve body (15), be drilled with a steam vent (21) of wearing valve body (15) wall thoroughly, the axle (14) of valve body (15) and of the end face tooth engagement of an end of connecting piece (12) through both, the other end of connecting piece (12) is connected with the outfan of the motor (11) of band decelerator, lean on an end of valve body (15) to have outwardly directed bead at connecting piece (12), on the axle (14) between bead and the valve body (15), be with an elastic component (13).The attaching plug of control apparatus (4) is connected the 220V power supply, connects the outfan of control apparatus (4) after air pump (1) motor and allotter (6) drive motors (11) parallel connection.Motor (11) drives connecting piece (12) and rotates after decelerator slows down, connecting piece (12) rotates through the end face cingulum moving valve (15) of itself and valve body (15) engagement, because the effect of elastic component (13), two flat seal end faces between valve body (15) that rotates and the valve seat (16) form air-tightness and fit, even the flat seal end face has consume slightly because of friction, but because the elastic compensating effect of elastic component (13), the air-tightness of end face is still good, in addition, the engagement of end face tooth between the axle (14) of connecting piece (12) and valve body (15), the elasticity of elastic component (13) forces valve body (15) to press to valve seat (16), thereby realize both airtight sealings, and also help to cushion the slight vibration impact that solid friction causes simultaneously; When valve body (15) overlays the valve seat rotation, motor-driven air pump (1) pump advances air, compressed air is after pressure restrictor carries out the pressure adjustment, pass to the air inlet (22) of valve seat (16) through conduit, air enters the middle position of the groove (20) of valve body (15) through air inlet (22), when valve body (15) goes to groove (20) end shield is not lived one of them passage (23) of valve seat (16), air is promptly in passage (23) warp, outer catheter (9) is to the corresponding air chamber inflation of locellus air bag (10), do not hold when groove (20) and to leave passage (23) time inflation is ended, subsequently, when the steam vent (21) of valve body (15) goes to above-mentioned passage (23) position, air in the locellus treatment air bag (10), under the pressure of airbag wall, discharge from steam vent (21) through conduit (9) and passage (23), so circulation is carried out, like this along with the rotation of valve body (15), groove (20) and steam vent (21) are successively by each passage (23); Inflation and exhaust process have just been realized to each passage (23).By to passage (23), the length and width of steam vent (21) and various groove (20), dark and shaped design, can control the filling of each passage (23), deflated time respectively, satisfy different limbs, the treatment of the diverse location and the different patient's condition needs.Certainly, can also be by the rotating speed of being adjusted valve body (15) by the machine decelerator be realized.In addition, the pressure restrictor (5) of adjustment air pump (1) then can change the massage force of air bag (10).By to the design of each air chamber size of locellus treatment air bag (10), shape, position and to each air chamber fill, the layout of aerofluxus order according to each passage (23) fill, deflated order, arrange its anastomosing air chamber of institute ］ can design the locellus for the treatment of various disturbance of blood circulation diseases is treated air bag (10).
On the basis of this utility model said structure, as shown in Figure 2: for more convenient, accurately, the specific pressure of application valve body (15) and valve seat (16) two flat seal end faces effectively, to reach the air tightness that both fully guarantees the sealing of both ends of the surface, be unlikely again because of the running load of the excessive expanded motor of pressure and to the damage of each load part, gas distributor of the present utility model (6) can also design like this: set up a top band circular hole (6), lower inner wall has the lid (17) that screws screw thread, replace the bead on the intrinsic connecting piece (12), the axle (14) that makes valve body (15) passes from the apical pore of lid (17), elastic component (13) places axle (14) position under lid (17) the inner top circular hole, lid (17) lower end female thread screws in valve seat (16) and goes up among the corresponding screw thread, make lid (17), elastic component, valve body (15) and valve seat (16) are combined into an integral body that is close to mutually; Before air pressure therapy equipment overall package, can in advance it be assembled, change the compression elasticity of elastic component (13) again by turn lid (17), just can realize to the specific pressure of its two flat seals end force carry out accurately, effectively, control easily and adjust, simultaneously, when both ends of the surface when gas leakage occurring because of wearing and tearing or other reason, also convenient the taking-up checked and carried out the adjustment of pressure.
Elastic component of the present utility model (13) can be formed by stacking by 1-2 piece pressure-resistant rubber packing ring (19) and bearing (18), as shown in Figure 3, preferably upper and lower each the pressure-resistant rubber packing ring of superimposed mode, bearing (18) is clipped in the middle.In this case, the top circular hole periphery of lid (17) should stay annular area bearing (18) degree of depth of packing into and can hold the recessed card room or the groove of a slice pressure-resistant rubber (19) and bearing (18) the first half; After pressure-resistant rubber (19) and bearing (18) are wedged this room or groove, screw lid (17), make pressure-resistant rubber (19) that valve body and valve seat are overlayed, at this moment, its axle of valve body during rotation (15) is limited in the groove (or groove card) of lid (17) by bearing, can be because of the swing pressure-resistant rubber (19) that weares and teares.
This utility model can also be done following improvement on above-mentioned basis, as Fig. 4 (C): on the position of valve seat (16) each passage of flat seal end face (23), respectively mill an elongate recesses (28) along the circular trace direction that passage (23) is distributed, its effect is inflation and the evacuation time that prolongs each passage (23), and the extruding massage effect that makes air bag is more obviously with abundant.
This utility model is not if mill groove (28) in the position of each passage (23), also can be on terminal corresponding passage (23) position of the groove (20) of the flat seal end face of valve body (15), the course bearing that distributes along each passage (23) bores an elongate recesses (29), make it to form the T-shaped shape with groove (20), and in steam vent (21) position, bore an elongate recesses along passage distribution course bearing, its effect is the same with the groove (28) that drills through pore (23) position.But can omitting one by one, passage (23) all bores groove (28).Certainly, also can bore upper groove (28) and (29) if necessary simultaneously, cooperatively interact between them, fill the deflated time and just grown a letter.In addition, passage (23) is in quantity on the circuit orbit of its distribution and situation spaced apart (but but uniform distribution also uneven distribution) even on whole sealing plane, other is to distribute on the circular trace in the center of circle all can produce different special-effects with its center, and the design of the different shape of the groove on each passage (23) upper groove and the valve body (15) also can produce various effect.
Locellus treatment air bag (10) of the present utility model, except the sort of general design of CN1052041, can also make following particular design, as shown in Figure 5: the terminal part of locellus treatment air bag (10) has and vertical two air chambers arranged side by side of other air chamber orientation (26), (27), and this treatment air bag is mainly used in the upper limb hemiplegia that causes behind the big apoplexy of treatment.During use, air bag (10) parcel is suffered from slide fastener on the limb post-tensioning, make air chamber (26), (27) be affixed on respectively on the back of the hand and the palm of the hand, when alternately inflation is with aerofluxus air bag (26) and (27), along with their alternately extruding, the palm swing also is subjected to flexible massage, and all the other air chambers carry out the routine massage by former setting order to suffering from limb; This air bag effectively reaches 70% to the hand curing hemiparalysis.
Air pressure therapy equipment of the present invention, owing to adopted the flat seal end face, therefore the critical defect life-span that has overcome Chinese invention patent CN1052041 and do not have integrated abrasion compensation increases greatly, especially lid (17) and various groove structure have been invented, structure more becomes rationally, and function greatly strengthens, through Guangzhou City No.1 People's Hospital's checking on probation, to the limbs disturbance of blood circulation, disease total effective rates such as apoplectic hemiplegia limb spasm and amyotrophy reach 87.6%.
Fig. 1 a is an element scattergram of the present utility model, and 1b is dispensing arrangement figure.
Fig. 2 is the component structure figure that is screwed in lid of the present utility model.
Fig. 3 is that this utility model is contained in the elastic component structure chart under the lid apical pore.
Fig. 4 is that the valve body of three groups of different designs of this utility model cooperates figure with valve seat.
Fig. 5 is that hemiplegia of the present utility model is suffered from limb treatment air bag plane outspread drawing.
As Fig. 1,6021E type does not have the oil pressure air pump (1) that contracts, its suction inlet connects the air cleaning of a collection with pipeline and noise reduction is the air filter (2) of one, the port of export of air pump (1) is connected with air cushioning jar (3) with pipeline, surge tank (3) outlet connects the inlet of pressure restrictor (5), enter the air inlet (22) of allotter (6) by the compressed air after the pressure adjusting, the outlet of allotter (6) connects with joint (8) with interior conduit (9), and joint (8) is divided into 8 outfans to gas circuit and is connected with air bag (10) with Outer Tube (9).［ annotate: also can export anastomosing conduit (9) and directly connect air bag (10) from allotter (6).］
Allotter (6) is connected with shaft joint (12) after decelerator slows down by motor, the other end of shaft joint (12) and valve body (15) upper end are mutually by the engagement of end face tooth, the lower end bead of shaft joint (12) is overlapped the spring (13) of packing on the axial region of valve body (15), spring (13) one crowns the bead of shaft joint (12), valve body (15) is being pressed on one crown, fit mutually by their flat seal end face between valve body (15) and the valve seat (16), under the roof pressure of spring (13), form air-tightness and fit.
Being drilled with on the flat seal end face of valve seat (16) along the end face center is to be uniform-distribution with four passages (23) on the circular trace in the center of circle, each passage (23) one brings out mouth at this end face, connecting pipe (9) is connected in other end outlet, there is an air inlet (22) in central authorities at valve seat (16) end face, one end of air inlet (22) is at this end face, and the other end is communicated with pressure restrictor (5) with conduit.Being drilled with one on the flat seal end face of valve body (15) starts from seal face mediad edge and extends to and valve seat passage (23) position corresponding groove (20), groove (20) can cover air inlet (22) and one of them passage (23) just, on corresponding passage (23) institute distribution circular trace, with groove (20) valve body (15) end face in line on another side open a steam vent (21) that pierces valve body wall and (see Fig. 4 a).
Embodiment 2:
On the basis of embodiment 1, remove the flange on the shaft joint (12), increase a lid (17) below shaft joint, have a steam vent on the lid (17), the axle (14) of valve body (15) circular hole from lid (17) top passes with shaft joint and meshes with end face; Screw thread on the valve seat (16) is connected with the screw-threaded coupling of lid (17) lower end; Lid (17) top circular hole periphery has an annular concavity screens, is with a withstand voltage gum elastic (19) in the screens, and the first half of bearing (18) is also wedged in the screens, is a same withstand voltage gum elastic (19) below the bearing (18).The spring (13) that replaces embodiment 1 with this stepped construction.Because tight lock of screw thread and the combined effect of pressure-resistant rubber elasticity make valve body (15) and valve seat (16) end face air-tightness fit.
Embodiment 3:
On the basis of embodiment 1, on the position of valve seat (16) each passage of seal face (23), respectively bore an elongate recesses (28) along the circular trace direction that passage (23) is distributed, see figure embodiment 4:
On the basis of embodiment 2, see a upward end of corresponding passage (23) position of the groove (20) of Fig. 4 b on the flat seal end face of valve body (15), bore an elongate recesses (29) along the circular trace direction that each passage (23) distributes, steam vent (21) go up bore one with the same circular trace direction of groove (29), isometric groove.
Embodiment 5:
On the basis of embodiment 1, the air chamber of locellus being treated air bag (10) terminal part changes into and vertical two air chambers arranged side by side of other air chamber orientation (26), (27), sees Fig. 5.
Claims (6)
1, the therapy equipment of a kind of human body limb air pressure, it comprises, decelerator, motor (11), air pump (1), gas distributor (6), pressure restrictor (5), control apparatus (4), article at least two, connecting pipe (9), locellus treatment air bag (10), it is characterized in that: gas distributor (6) comprises, valve seat (16), being drilled with on the flat seal end face of valve seat (16) along flat seal end face center is to be distributed with at least two passages (23) on the circular trace in the center of circle, each passage (23) one brings out mouth on the flat seal end face, and connecting pipe (9) is connected in other end outlet; There is an air inlet (22) in central authorities at valve seat (16) flat seal end face, and an end of air inlet (22) is on the flat seal end face, and the other end is communicated with pressure restrictor (5) with conduit, is connected with air pump (1) again; Gas distributor (6) also comprises valve body (15), be drilled with on the flat seal end face of valve body (15) one start from flat seal end face mediad edge extend to valve seat (16) passage (23) position correspondence position on groove (20), valve body (15) is fitted with valve seat (16) two flat seal end face air-tightness, groove (20) can cover air inlet (22) and one of them passage (23) simultaneously, on the position of corresponding valve seat (16) passage (23) circular trace of living on the flat seal end face of valve body (15), be drilled with a steam vent (21) of wearing valve body (15) wall thoroughly, the axle (14) of valve body (15) and of the end face tooth engagement of an end of connecting piece (12) through both, the other end of connecting piece (12) is connected with the outfan of the motor (11) of band decelerator; Lean on an end of valve body (15) to have outwardly directed bead at connecting piece (12), on the axle (14) between bead and the valve body (15), be with an elastic component (13).
2, human body limb air pressure according to claim 1 therapy equipment, it is characterized in that: the axle (14) of valve body (15) passes from lid (17) the upper end circular hole that has at least one exhaust hole, lid (17) is connected with screw-threaded coupling with valve seat (16), and elastic component (13) is enclosed within on the interior axle (14) of lid (17).
3, human body limb air pressure according to claim 1 and 2 therapy equipment is characterized in that: elastic component (13) is by 1-2 piece pressure-resistant rubber packing ring (19) and bearing (18) superimposed composition.
4, human body limb air pressure according to claim 1 and 2 therapy equipment, it is characterized in that: on the position of valve seat (16) each passage of flat seal end face (23), respectively bore a rectangular recess (28) along the circular trace direction that passage (23) is distributed.
5, human body limb air pressure according to claim 1 and 2 therapy equipment, it is characterized in that: an end of going up corresponding passage (23) position at the groove (20) of the flat seal end face of valve body (15), the circular trace direction that distributes along each passage (23) is drilled with an elongate recesses (29), and goes up brill one and the isometric groove (28) of the same circular trace direction of groove (29) at steam vent (21).
6, air pressure therapy equipment according to claim 1 and 2 is characterized in that: the terminal part of locellus treatment air bag (10) has and vertical two air chambers arranged side by side of other air chamber orientation (26), (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94249084 CN2212988Y (en) | 1994-12-26 | 1994-12-26 | Atmospheric pressure therapeutic apparatus for human body limbs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94249084 CN2212988Y (en) | 1994-12-26 | 1994-12-26 | Atmospheric pressure therapeutic apparatus for human body limbs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2212988Y true CN2212988Y (en) | 1995-11-22 |
Family
ID=33853781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94249084 Expired - Fee Related CN2212988Y (en) | 1994-12-26 | 1994-12-26 | Atmospheric pressure therapeutic apparatus for human body limbs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2212988Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557787B (en) * | 2006-10-18 | 2011-07-13 | 中岛敏明 | Therapeutic system, therapeutic apparatus and method of control |
| CN102429806A (en) * | 2011-12-07 | 2012-05-02 | 深圳市龙岗中心医院 | Shank vein pressurizing airbag device |
| CN111067607A (en) * | 2019-12-30 | 2020-04-28 | 朱怀宇 | Heel restorer |
-
1994
- 1994-12-26 CN CN 94249084 patent/CN2212988Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557787B (en) * | 2006-10-18 | 2011-07-13 | 中岛敏明 | Therapeutic system, therapeutic apparatus and method of control |
| CN102429806A (en) * | 2011-12-07 | 2012-05-02 | 深圳市龙岗中心医院 | Shank vein pressurizing airbag device |
| CN111067607A (en) * | 2019-12-30 | 2020-04-28 | 朱怀宇 | Heel restorer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |